<template>
	<el-dialog
		:title="titleMap[mode]"
		v-model="visible"
		:width="500"
		destroy-on-close
		@closed="$emit('closed')"
	>
		<el-form
			:model="form"
			:rules="rules"
			:disabled="mode === 'show'"
			ref="dialogForm"
			label-width="100px"
			label-position="left"
		>
			<template v-if="mode === 'add'">
				<el-form-item label="角色名称" prop="name">
					<el-input v-model="form.name" clearable></el-input>
				</el-form-item>
			</template>
			<template v-else>
				<el-form-item label="角色名称" prop="name">
					<el-input
						v-model="form.name"
						clearable
						placeholder="输入则为修改"
					></el-input>
				</el-form-item>
			</template>
			<el-form-item label="状态" prop="status">
				<el-radio v-model="form.status" label="1">正常</el-radio>
				<el-radio v-model="form.status" label="2">禁用</el-radio>
			</el-form-item>
			<el-form-item label="分配权限" prop="rule">
				<el-tree
					:data="treeData"
					node-key="id"
					show-checkbox
					highlight-current
					:default-checked-keys="checkedId"
					ref="menuTree"
					:props="defaultProps"
				>
				</el-tree>
			</el-form-item>
		</el-form>
		<template #footer>
			<el-button @click="visible = false">取 消</el-button>
			<el-button
				v-if="mode !== 'show'"
				type="primary"
				:loading="isSaveing"
				@click="submit()"
				>保 存</el-button
			>
		</template>
	</el-dialog>
</template>

<script>
export default {
	emits: ["success", "closed"],
	data() {
		return {
			checkedId: [15, 16],
			treeData: [],
			defaultProps: {
				children: "children",
				label: "name",
				id: "id",
			},
			mode: "add",
			titleMap: {
				add: "新增角色",
				edit: "编辑角色",
				show: "查看",
			},
			visible: false,
			isSaveing: false,
			//表单数据
			form: {
				id: "",
				name: "",
				rule: "",
				status: "1",
			},
			//验证规则
			rules: {
				name: [
					{
						required: true,
						message: "请输入角色名称",
						trigger: "blur",
					},
				],
				status: [
					{ required: true, message: "请选择状态", trigger: "blur" },
				],
				rule: [
					{ required: true, message: "请分配权限", trigger: "blur" },
				],
			},
		};
	},
	mounted() {
		this.getAllMenu();
	},
	methods: {
		//显示
		open(mode = "add") {
			this.mode = mode;
			this.visible = true;
			this.form.rule = this.checkedId;
			return this;
		},
		async getAllMenu() {
			let res = await this.$API.menu.getAllMenu.get();
			this.treeData = res.data;
			this.getListData();
		},
		//对json的格式的转化
		getListData() {
			function getIds(arr, result = []) {
				arr.forEach((item) => {
					if (item.children && item.children.length !== 0) {
						result.push(item.id);
						if (item.children.length) {
							return getIds(item.children, result);
						}
					}
				});

				return result;
			}

			let getParId = getIds(this.treeData);

			// 筛选不是父级节点的id
			const arrList = this.form.rule.filter((item) => {
				if (!getParId.includes(parseInt(item))) {
					return item;
				}
			});

			this.checkedId = arrList;
		},

		// 表单提交方法
		submit() {
			this.$refs.dialogForm.validate(async (valid) => {
				if (valid) {
					this.isSaveing = true;
					let res;
					let checkedNodes = this.$refs.menuTree
						.getCheckedNodes()
						.concat(this.$refs.menuTree.getHalfCheckedNodes());
					let nodesMap = [];
					checkedNodes.forEach((item) => {
						nodesMap.push(item.id);
					});
					this.form.rule = nodesMap;
					if (this.mode === "add") {
						res = await this.$API.role.add.post(this.form);
					} else {
						res = await this.$API.role.edit.post(this.form);
					}
					this.isSaveing = false;
					if (res.code === 0) {
						this.$emit("success", this.form, this.mode);
						this.visible = false;
						this.$message.success(res.msg);
					} else {
						this.$message.error(res.msg);
					}
				} else {
					return false;
				}
			});
		},
		// 表单注入数据
		setData(data) {
			this.form.id = data.id;
			this.form.name = data.name;
			this.form.status = data.status.toString();
			this.form.rule = data.rule;
		},
	},
};
</script>

<style></style>
